“Ulcerative colitis and Crohn’s disease are the two main forms of inflammatory bowel diseases. They are both conditions characterized by chronic inflammation of the digestive tract. Although they share many similarities, there are key differences between the two diseases.    One being the location of where the Dx. effects; Ulcerative colitis is limited to the colon while Crohn’s disease can occur anywhere between the mouth and the anus. In Crohn’s disease, there are healthy parts of the intestine mixed in between inflamed areas. Ulcerative colitis, on the other hand, is continuous inflammation of the colon.”

UCLA Health (uclahealth.org)

“Human immunodeficiency virus (HIV) is an infection that attacks the body’s immune system, specifically the white blood cells called CD4 cells. HIV destroys these CD4 cells, weakening a person’s immunity against opportunistic infections, such as tuberculosis and fungal infections, severe bacterial infections and some cancers.”

World Health Organizations WHO

“In 2019, 36,801 people^a received an HIV diagnosis in the United States (US) and dependent areas.^b From 2015 to 2019, HIV diagnoses decreased 9% overall in the US and dependent areas.  Gay, bisexual, and other men who reported male-to-male sexual contact^g are the population most affected by HIV. In 2019, gay and bisexual men accounted for 69% (25,552) of the 36,801 new HIV diagnoses and 86% of diagnoses among males.”

Centers for Disease Control and Prevention CDC